CN2912

29 Organic Chemicals

2912 (01/1988-..) Aldehydes, Whether or not With Other Oxygen Function, Cyclic Polymers of Aldehydes, Paraformaldehyde

---

29121100 (01/1988-..) Methanal ‘formaldehyde’

29121200 (01/1988-..) Ethanal ‘acetaldehyde’

29121300 (01/1988-12/2006) Butanal ‘butyraldehyde, Normal Isomer’

29121900 (01/2012-..) Acyclic Aldehydes, Without Other Oxygen Function (Excl. Methanal [formaldehyde] and Ethanal [acetaldehyde])

29121910 (01/2007-12/2011) Butanal ‘butyraldehyde, Normal Isomer’

29121990 (01/2007-12/2011) Acyclic Aldehydes, Without Other Oxygen Function (Excl. Methanal [formaldehyde], Ethanal [acetaldehyde] and Butanal [butyraldehyde, Normal Isomer])

29122100 (01/1988-..) Benzaldehyde

29122900 (01/1988-..) Cyclic Aldehydes, Without Other Oxygen Function (Excl. Benzaldehyde)

29123000 (01/1988-12/2011) Aldehyde-alcohols

29124100 (01/1988-..) Vanillin ‘4-hydroxy-3-methoxybenzaldehyde’

29124200 (01/1988-..) Ethylvanillin ‘3-ethoxy-4-hydroxybenzaldehyde’

29124900 (01/2012-..) Aldehyde-alcohols, Aldehyde-ethers, Aldehyde-phenols and Aldehydes With Other Oxygen Function (Excl. Ethylvanillin ‘3-ethoxy-4-hydroxybenzaldehyde’ and Vanillin ‘4-hydroxy-3-methoxybenzaldehyde’)

29125000 (01/1988-..) Cyclic Polymers of Aldehydes

29126000 (01/1988-..) Paraformaldehyde